SENER is a private engineering and technology group founded in 1956 that operates globally across the Aerospace, Energy, Mobility, and Marine sectors. With a workforce of over 3,000 professionals, the company is renowned for its high-tech solutions, ranging from solar thermal plants and high-speed rail systems to complex satellite components and naval design.

Headquartered in Getxo (near Bilbao), SENER maintains a significant footprint in Spain with major operational centers in Madrid and Barcelona. For international professionals, the company offers a highly technical and multicultural environment where English is frequently used for global projects, making it an attractive destination for specialized engineers and tech experts looking to work on large-scale international infrastructure and defense contracts.

Founded in 1956 by Enrique de Sendagorta Aramburu as a marine engineering firm, SENER was the first Spanish engineering company to be established. It expanded into aerospace in the 1960s and has since grown into a diversified global technology group with a presence on five continents.

For international professionals

Offers opportunities in highly specialized fields such as Aerospace, Defense, and Renewable Energy.
Headquartered in the Basque Country (Getxo), offering a high quality of life and a unique cultural experience outside of the Madrid/Barcelona hubs.
Global project reach often requires English proficiency, facilitating integration for international engineering talent.
Strong focus on innovation and R&D, providing a stimulating environment for technical career growth.
Maintains a significant presence in Madrid (Vicálvaro) and Barcelona, providing flexibility in geographic location within Spain.

Network and Communications Specialist Technician

SENER

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Job Description

At Sener, we are looking to incorporate Network and Communications Specialist Technicians into our team at our Tres Cantos center (Madrid).

We are a family-owned engineering and technology company with more than 4,500 professionals, present on five continents with projects in over 40 countries and offices in: Germany, Saudi Arabia, Australia, Belgium, Brazil, Canada, Qatar, Chile, Colombia, United Arab Emirates, Spain, Mexico, United Kingdom, Poland, and Portugal. We are a global benchmark in aerospace and defense, energy, infrastructure and mobility, advanced facilities for data centers, and digital.

What we are looking for:

At least 2-3 years of experience in a similar role within the IT sector.
Local network administration: experience in the configuration and maintenance of wired and Wi-Fi networks.
WAN network administration: experience managing connectivity between different sites using technologies such as VPN, MPLS, or SD-WAN solutions.
Network solution design: ability to design complex network solutions.
Routing protocols: familiarity with protocols such as BGP and OSPF, among others.
Network equipment manufacturers: knowledge of Cisco and Fortinet products.

Knowledge we value:

ZTNA (Zero Trust): experience using Zero Trust-based secure access solutions to strengthen the protection of corporate services.
Network automation (Ansible): ability to simplify and standardize network tasks through playbooks and automated processes.
Cloud networks (Azure): experience managing network components in Azure (VNets, VPNs, firewalls, security, load balancers...).
SD-WAN: knowledge in the implementation and administration of SD-WAN solutions to improve connectivity and performance between sites.

Requirements:

B2 level of English
University degree in Computer Engineering, Telecommunications, or areas related to Information Systems.

What we offer:

Our commitment is to offer a stable and long-term position, with a defined professional career and a high level of responsibility.
You will be part of a highly qualified team in a consolidated company that develops innovative projects. You will have the opportunity to grow professionally, with the necessary tools and training to evolve in line with the company's values.
You will work in a professional and collaborative environment, where fluid communication between teams facilitates the exchange of ideas, proactivity, and the autonomy to handle complex projects.

What are our benefits:

Flexible working hours policies and the possibility of remote work 2 days a week.
Access to a flexible compensation plan.
Participation in a physical and emotional well-being program.
Job stability and participation in long-term projects.
Access to tools and a wide range of training to boost your professional development.
Work in a collaborative environment, where interaction between different disciplines promotes the exchange of ideas, initiative, and autonomy in complex projects.
Commitment to equal opportunity, diversity, and inclusion, also holding the Family-Responsible Entity (EFR) certification.

Why work with us?
At Sener, you will have the opportunity to continue developing your technical capabilities within a leading international engineering firm. Your contribution will be relevant from day one, and you will be able to explore new technologies, take on responsibilities, and collaborate with multidisciplinary teams on diverse and high-value projects.

#LI-NM1

View original advert (Spanish)

En Sener deseamos incorporar a nuestro equipo a Técnicos/as Especialista en Redes y Comunicaciones en nuestro centro de Tres Cantos (Madrid)

Somos una empresa familiar de ingeniería y tecnología con más de 4.500 profesionales, que está presente en los cinco continentes y con proyectos en más de 40 países y oficinas en: Alemania, Arabia Saudí, Austrailia, Bélgica, Brasil, Canadá, Catar, Chile, Colombia, Emiratos Árabes Unidos, España, México, Reino Unido, Polonia y Portugal. Somos un referente global en aeroespacial y defensa, energía, infraestructuras y movilidad, instalaciones avanzadas para centros de datos y digital.

Qué buscamos:

Experiencia en un puesto similar de al menos 2-3 años en el sector IT.
Administración de redes locales: experiencia en configuración y mantenimiento de redes cableadas y Wi‑Fi.
Administración de redes WAN: experiencia gestionando la conectividad entre distintas sedes mediante tecnologías como VPN, MPLS o soluciones SD‑WAN.
Diseño de soluciones de red: capacidad para diseñar soluciones de red complejas.
Protocolos de encaminamiento: familiaridad con protocolos como BGP y OSPF, entre otros.
Fabricantes de equipos de red: conocimiento de productos Cisco y Fortinet.

Qué conocimientos valoramos:

ZTNA (Zero Trust): experiencia utilizando soluciones de acceso seguro basadas en Zero Trust para reforzar la protección de los servicios corporativos.
Automatización de redes (Ansible): capacidad para simplificar y estandarizar tareas de red mediante playbooks y procesos automatizados.
Redes en la nube (Azure): experiencia gestionando componentes de red en Azure (VNets, VPNs, firewalls, seguridad, balanceadores...).
SD‑WAN: conocimiento en la implementación y administración de soluciones SD‑WAN para mejorar la conectividad y el rendimiento entre sedes.

Requisitos:

Nivel de inglés B2
Formación universitaria en Ingeniería Informática, Telecomunicaciones o áreas afines a los Sistemas de Información.

Qué ofrecemos:

Nuestro compromiso es ofrecer una posición estable y de larga duración, con una carrera profesional definida y un alto grado de responsabilidad.
Formarás parte de un equipo altamente cualificado en una empresa consolidada que desarrolla proyectos innovadores. Tendrás la oportunidad de crecer profesionalmente, contando con las herramientas y la formación necesarias para evolucionar en línea con los valores de la compañía.
Trabajarás en un entorno profesional y colaborativo, donde la comunicación fluida entre equipos facilita el intercambio de ideas, la proactividad y la autonomía para desenvolverte en proyectos complejos.

Cuáles son nuestros beneficios:

Políticas de flexibilidad horaria y posibilidad de trabajo en remoto 2 días a la semana.
Acceso a un plan de compensación flexible.
Participación en un programa de bienestar físico y emocional.
Estabilidad laboral y participación en proyectos de larga duración.
Acceso a herramientas y un amplio abanico formativo para impulsar tu desarrollo profesional.
Trabajo en un entorno colaborativo, donde la interacción entre distintas disciplinas promueve el intercambio de ideas, la iniciativa y la autonomía en proyectos complejos.
Compromiso con la igualdad de oportunidades, la diversidad y la inclusión, contando además con la certificación Entidad Familiarmente Responsable (EFR).

¿Por qué trabajar con nosotros/as?
En Sener tendrás la oportunidad de seguir desarrollando tus capacidades técnicas dentro de una ingeniería internacional de referencia. Tu contribución será relevante desde el primer día y podrás explorar nuevas tecnologías, asumir responsabilidades y colaborar con equipos multidisciplinares en proyectos diversos y de alto valor.

#LI-NM1